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IEC – The company IEC is world-leading organization, which creates and issues International standards for all electrical, electronic and other related technologies known generally as electro-technologies. Wherever, there is electricity and electronics you can find the company IEC, which promotes the safety and performance, the environment, electrical energy efficiency and renewable energy. The company IEC also administers conformity assessment systems, which certify that the equipment, systems or components comply with International Standards of this company.
Instrument transformers – Part 20: Safety requirements of instrument transformers for high voltage applications
(Transformateurs de mesure – Partie 20 : Exigences de securite des transformateurs de mesure pour applications a haute tension)
Standard published on 16.4.2025
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Corrigendum 1 - Instrument transformers – Part 20: Safety requirements of instrument transformers for high voltage applications
(Corrigendum 1 - Transformateurs de mesure – Partie 20 : Exigences de securite des transformateurs de mesure pour applications a haute tension)
Correction published on 8.1.2026
Selected format:Instrument transformers - Part 21: Uncertainty evaluation in the accuracy test of instrument transformers
Standard published on 15.12.2025
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Instrument transformers - Part 3: Additional requirements for inductive voltage transformers
(Transformateurs de mesure - Partie 3: Exigences supplementaires concernant les transformateurs inductifs de tension)
Standard published on 13.7.2011
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Instrument transformers - Part 4: Additional requirements for combined transformers
(Transformateurs de mesure - Partie 4: Exigences supplementaires concernant les transformateurs combines)
Standard published on 19.11.2013
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Corrigendum 1 - Instrument transformers - Part 4: Additional requirements for combined transformers
(Corrigendum 1 - Transformateurs de mesure - Partie 4: Exigences supplementaires concernant les transformateurs combines)
Correction published on 27.8.2014
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Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers
(Transformateurs de mesure - Partie 5: Exigences supplementaires concernant les transformateurs condensateurs de tension)
Standard published on 13.7.2011
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Corrigendum 1 - Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers
(Corrigendum 1 - Transformateurs de mesure - Partie 5: Exigences supplementaires concernant les transformateurs condensateurs de tension)
Correction published on 28.8.2015
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Instrument transformers - Part 9: Digital interface for instrument transformers
(Transformateurs de mesure - Partie 9: Interface numerique des transformateurs de mesure)
Standard published on 27.4.2016
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Instrument transformers - Part 99: Glossary
(Transformateurs de mesure – Partie 99: Glossaire)
Standard published on 8.11.2022
Selected format:Latest update: 2026-04-27 (Number of items: 2 274 955)
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